US8485618B2 - Kitchen device with height adjustable shelving system - Google Patents

Kitchen device with height adjustable shelving system Download PDF

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Publication number
US8485618B2
US8485618B2 US12/085,075 US8507506A US8485618B2 US 8485618 B2 US8485618 B2 US 8485618B2 US 8507506 A US8507506 A US 8507506A US 8485618 B2 US8485618 B2 US 8485618B2
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United States
Prior art keywords
kitchen device
support
guide rails
transport carriage
height
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US12/085,075
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English (en)
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US20090261704A1 (en
Inventor
Thomas Benz
Michael Krapp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
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BSH Bosch und Siemens Hausgeraete GmbH
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Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Assigned to BSH BOSCH UND SIEMENS HAUSGERATE GMBH reassignment BSH BOSCH UND SIEMENS HAUSGERATE GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BENZ, THOMAS, KRAPP, MICHAEL
Publication of US20090261704A1 publication Critical patent/US20090261704A1/en
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Publication of US8485618B2 publication Critical patent/US8485618B2/en
Assigned to BSH Hausgeräte GmbH reassignment BSH Hausgeräte GmbH CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: BSH Bosch und Siemens Hausgeräte GmbH
Assigned to BSH Hausgeräte GmbH reassignment BSH Hausgeräte GmbH CORRECTIVE ASSIGNMENT TO REMOVE USSN 14373413; 29120436 AND 29429277 PREVIOUSLY RECORDED AT REEL: 035624 FRAME: 0784. ASSIGNOR(S) HEREBY CONFIRMS THE CHANGE OF NAME. Assignors: BSH Bosch und Siemens Hausgeräte GmbH
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B57/00—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions
    • A47B57/06—Cabinets, racks or shelf units, characterised by features for adjusting shelves or partitions with means for adjusting the height of the shelves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/16—Shelves, racks or trays inside ovens; Supports therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
    • Y10T74/18832—Reciprocating or oscillating to or from alternating rotary including flexible drive connector [e.g., belt, chain, strand, etc.]

Definitions

  • the invention relates to a kitchen device, in particular a refrigerator or freezer, with an interior in which at least one height-adjustable support for accommodation of goods is provided.
  • Equipping refrigeration devices especially refrigerators or freezers, with height-adjustable compartments or height-adjustable shelf surfaces is known, so that an interior of the refrigeration device can be well utilized in accordance with requirements.
  • a plurality of supporting bars are generally provided arranged at different heights in the interior of the refrigeration device, into which the shelf surfaces or compartments can be inserted. If the height of the shelves or compartments is to be adjusted, it is necessary to take out the goods stored on the shelves or in the compartments of the refrigeration device.
  • the object of the present invention is to specify a kitchen device, especially a refrigerator or freezer, which allows an especially good storage of goods which exploits the available space as well as possible and simultaneously provides flexibility in an interior space of the kitchen device.
  • the inventive kitchen device especially refrigeration or freezer device, with an interior in which at least one height-adjustable support for accommodation of goods is provided, makes provision for at least one guide rail and at least one transport carriage guided along the guide rail to be provided, with the transport carriage able to be connected to the support and to have its height adjusted by a drive with a height adjustment.
  • the kitchen device is preferably a refrigerator or freezer or a combined fridge/freezer. It can however also be another kitchen device such as a dishwasher, a cooker or an oven for example.
  • the support can be a shelf surface, a storage compartment, a wire grid, a metal plate or a crockery basket. Goods include food, cooled goods, pastries, dishes and ovenware. Hydraulics can be used as a drive; however an electric motor is preferred.
  • the support can especially be continuously adjusted between a lower first height and a higher second height.
  • the height adjustment enables the support and thereby the goods located on the support to be adjusted so that an efficient utilization of space is made possible in the interior.
  • the interior can be reconfigured in a simple manner and adopted in the optimum way to goods of different sizes.
  • the height-adjustment makes it easier to take out goods from the interior in that the support with the goods can be moved to a convenient height for the user of the kitchen device.
  • the interior of the kitchen device has a volume ranging from 50 I-1000 I, especially ranging from 100 I to 300 I.
  • a support is especially held by two transport carriages, a first transport carriage on a left side of the interior and a second transport carriage on a right side of the interior.
  • the support is moved with the aid of the at least one transport carriage.
  • the transport carriages are guided along a guide rail.
  • the support can be released from the transport carriage.
  • the support can especially be latched into, onto or suspended from the transport carriage. This is for example advantageous for cleaning purposes.
  • the guide rail has a rotatably supported threaded rod and the transport carriage engages with the threaded rod.
  • a thread is provided on the transport carriage for this purpose.
  • the threaded rod is rotated with the aid of the drive, which enables the height of the transport carriage to be adjusted.
  • At least two guide rails are especially provided and the height-adjustment features at least two threaded spindles which are connected to each other via a coupling shaft in a connection which transmits the rotation.
  • the guide rail and threaded spindles With the aid of the guide rail and threaded spindles a synchronized movement of the transport carriage is possible.
  • the synchronized movement avoids tilting of the support in the interior and guarantees safe and quiet operation during the height adjustment.
  • the guide rails are distributed as far as possible from each other along the support, so that even support is provided.
  • a rotation of a first threaded spindle is synchronized by the coupling shaft with the rotation of a second threaded spindle.
  • the use of the spindles also has the advantage that a height adjustment of the support under the load of the goods when the drive is switched off is prevented by a self-locking system. An additional latching of the transport carriage in the guide rails is then no longer required.
  • the drive especially enables a quiet height adjustment of the support downwards and upwards.
  • the coupling shaft is connected to at least one of the two threaded spindles via a worm gear set.
  • the worm gear set allows an especially compact construction of the height adjustment and in addition offers the functionality of a reduction gear, so that drives with comparatively high rotational frequencies can be used.
  • the transmission ratio of the worm gear set amounts to at least 5:1, especially at least 10:1, preferably 15:1.
  • the coupling shaft is connected to at least one of the two threaded spindles via a pair of beveled gears, a hypoid gear pair or a crossed helical gear pair.
  • the transmission ratio in this case can be especially at least 2:1, especially at least 3:1, preferably at least 5:1.
  • connection transmitting the rotation has at least one elastic first coupling.
  • elastic first coupling length tolerances manufacturing tolerances and axle offsets can be compensated for which guarantees a high level of quiet operation.
  • a rotationally-elastic plastic element, a slotted sleeve or a torsion spring can be used as the first elastic coupling for example.
  • the guide rail can also feature a torsion element, especially an advantageously profiled bar, a cable or a chain, with which the height of the transport carriage can be adjusted along the guide rail.
  • the power is transmitted to the support in this case by the torsion element.
  • the torsion element has a profile, especially teeth, or chain links.
  • the support is able to be attached to the transport carriage to enable subsequent detachment.
  • the support can for example be hooked in, suspended, plugged in or clipped on, with it advantageously being possible to replace or exchange it.
  • a further support can be attached to the guide rail.
  • the further support can be guided height-adjustably in the guide rail or fixed height-adjustably.
  • the further support can be latched-in at predetermined heights in steps.
  • the further support is especially not height-adjustable by the drive.
  • the guide rail then has a duplicate function; on the one hand it accepts the further support at fixed predetermined positions, on the other a height-adjustable support can slide along it.
  • the guide rail has a protective cover.
  • the protective cover prevents contaminants, especially food residue or liquid, getting into the guide rail, which could otherwise adversely affect the functioning of the height adjustment.
  • the protective cover can consist of a cover panel, a movable cover sheet or a moveable cover plate, an elastic louvered seal or other seals or can feature said items.
  • the protective cover can feature a labyrinth seal.
  • the guide rail has an opening from which liquid contaminants can flow out of the guide rail.
  • the drive is connected via a second elastic coupling to the height adjustment to transmit the rotation.
  • the quiet operation is increased by the second elastic coupling.
  • An abrupt startup or hesitation of the support can be effectively prevented in this way.
  • the second elastic coupling features a belt transmission with a belt and two pulleys.
  • the belt can be made of a rubber-like material.
  • the transmission ratio of the belt transmission amounts especially to at least 1.5:1, especially at least 2:1, preferably at least 4:1. This transmission ratio further reduces the rotary frequency of the drive, with in a corresponding manner higher-frequency motors being able to be used which can be designed to be more compact, more energy-saving and lower-cost.
  • the support is especially supported by two transport carriages.
  • At least one stop sensor is provided on the guide rail. As soon as the stop sensor detects that the transport carriage has arrived at its highest or lowest intended setting, the drive is designed to avoid the transport carriage hitting a stop. With the aid of the stop sensor a safe operation of the height adjustment can be guaranteed.
  • a safety sensor which monitors the interior of the device and with which a collision of objects in the interior of the device can be prevented.
  • the safety sensor is provided on a transport carriage or on the mobile support and moves along with the latter.
  • the safety sensor can in this case be embodied as a movement sensor which switches off the drive as soon as an object gets too close to the support from below.
  • a second safety sensor can be provided in the upper area of the device, through which goods located on the support can be prevented from hitting a roof of the device.
  • FIG. 1 an inventive kitchen device in a perspective angled view
  • FIG. 2 a detailed view of the kitchen device shown in FIG. 1 , which shows the height adjustment;
  • FIG. 3 a further detailed view of a further inventive kitchen device which shows the height adjustment
  • FIG. 4 and FIG. 5 further detailed views of an inventive kitchen device which show details of a height adjustment.
  • FIG. 1 shows an inventive kitchen device 1 with an interior 2 , in which there are three supports 3 , 3 ′, 3 ′′ arranged at different heights. There are goods 4 on support 3 ′.
  • the uppermost support 3 is height-adjustable.
  • the two lower supports 3 ′ and 3 ′′ can be locked at different heights but are however not continuously adjustable or able to be moved to different heights by a drive.
  • the topmost support 3 is able to be moved or driven by a drive 7 .
  • the current height of the topmost support 3 is monitored with the aid of safety sensors 28 .
  • the support 3 is moved along a first guide rail 5 with the aid of a first transport carriage 12 .
  • the first guide rail 5 is protected by a protective cover 19 .
  • the kitchen device 1 is embodied as a refrigerator and features a door 26 .
  • FIG. 2 shows a section from an inventive kitchen device 1 and shows how the height adjustment functions.
  • a drive 7 is provided for this purpose which transmits a rotary movement to a coupling bar 11 via a belt transmission 21 with a belt 22 and a first 23 and a second 24 pulley.
  • the coupling bar 11 drives a worm drive gear set 15 via an elastic first coupling 16 , which establishes a rotation-transmitting connection 14 to a first threaded spindle 8 .
  • a rotation-transmitting connection 14 is established between the coupling shaft 11 and a second threaded spindle 9 , so that a first 12 and a second 13 transport carriage can be moved along the first 5 and a second 6 guide rail.
  • a rigid coupling between the drive 7 and the coupling shaft 11 is avoided by the belt transmission 21 , so that a soft startup or stopping of the movement of the transport carriage 12 , 13 is produced. Manufacturing tolerances and other inaccuracies between the two transport carriages are compensated for by the elastic first coupling 16 . This achieves especially quiet operation during the height adjustment.
  • a further support 18 is suspended in a fixed position in the guide rails 5 , 6 .
  • the first 12 and second 13 transport carriage carry a support 3 for accommodating goods 4 .
  • FIG. 3 shows a further section from the kitchen device 1 , with the figure depicting the transmission of torque of the drive 7 to the transport carriages 12 , 13 .
  • the belt transmission 21 represents an elastic second coupling 20 which ensures quieter operation.
  • the transmission ratio between the first 23 and second 24 pulleys amounts to 2:1, which reduces the rotational frequency of the drive 7 .
  • the rotation frequency is reduced by a factor of 5, so that electric motors with comparatively high rotational frequencies can be used as the drive 7 .
  • FIG. 3 shows a torsion element 17 which is embodied as a cable, with which the height of the first transport carriage 12 can be adjusted.
  • a stop sensor 27 can be seen in FIGS. 4 and 5 , which detects the position of the first 12 or second 13 transport carriage and stops the drive 7 as soon as the transport carriages 13 are approaching their end positions. With the aid of the height adjustment the interior 2 can be divided up variably and a user-friendly operation of the interior 2 is made possible.
  • the invention relates to a kitchen device 1 , especially a refrigerator or a freezer, with an interior 2 , in which at least one height-adjustable support 3 for accommodation of goods 4 is provided, with at least one guide rail 5 , 6 and at least one transport carriage 12 , 13 guided along the guide rail 6 being provided on the kitchen device 1 , with the transport carriage 13 being connected to the support 3 and its height being able to be adjusted by a drive 7 with a height adjustment 10 .
  • the characterizing feature of the invention is that the height of shelf surfaces can be adjusted especially simply and conveniently, without the goods having to be taken out of the kitchen device 1 , which renders use of the kitchen device 1 especially simple.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Transmission Devices (AREA)
  • Freezers Or Refrigerated Showcases (AREA)
  • Baking, Grill, Roasting (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Devices For Warming Or Keeping Food Or Tableware Hot (AREA)
  • Combinations Of Kitchen Furniture (AREA)
  • Warehouses Or Storage Devices (AREA)
US12/085,075 2005-11-30 2006-10-18 Kitchen device with height adjustable shelving system Active 2028-09-11 US8485618B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102005057148A DE102005057148A1 (de) 2005-11-30 2005-11-30 Küchengerät mit höhenverstellbarer Regalablage
DE102005057148 2005-11-30
DE102005057148.4 2005-11-30
PCT/EP2006/067550 WO2007062913A1 (de) 2005-11-30 2006-10-18 Küchengerät mit höhenverstellbarer regalablage

Publications (2)

Publication Number Publication Date
US20090261704A1 US20090261704A1 (en) 2009-10-22
US8485618B2 true US8485618B2 (en) 2013-07-16

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ID=37909763

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/085,075 Active 2028-09-11 US8485618B2 (en) 2005-11-30 2006-10-18 Kitchen device with height adjustable shelving system

Country Status (8)

Country Link
US (1) US8485618B2 (de)
EP (1) EP1957919B1 (de)
CN (1) CN101317065B (de)
AT (1) ATE493622T1 (de)
DE (2) DE102005057148A1 (de)
ES (1) ES2356775T3 (de)
RU (1) RU2419048C2 (de)
WO (1) WO2007062913A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
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US20140227067A1 (en) * 2013-02-10 2014-08-14 Carl Stover Apparatus for storing, transporting and distributing kegs
US9266674B2 (en) * 2013-04-22 2016-02-23 Vidir Machine Inc Vertical storage system
US10161671B2 (en) * 2017-04-21 2018-12-25 Haier Us Appliance Solutions, Inc. Adjustable shelf for a refrigerator appliance
US11125491B2 (en) * 2019-09-23 2021-09-21 Haier Us Appliance Solutions, Inc. Adjustable shelf assembly for an appliance
US20230142165A1 (en) * 2020-03-18 2023-05-11 Hefei Midea Refrigerator Co., Ltd. Shelf device and storage cabinet
US20240035737A1 (en) * 2022-07-28 2024-02-01 Haier Us Appliance Solutions, Inc. Smart adjustable shelves for refrigerator appliances

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DE102005021539A1 (de) * 2005-05-10 2006-11-16 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit höhenverstellbarem Kühlgutträger
DE202008016466U1 (de) * 2008-12-15 2010-04-22 Grass Gmbh Vorrichtung zum angetriebenen Bewegen eines Betätigungsorgans, Öffnungsvorrichtung und Möbel
DE102009000851A1 (de) * 2009-02-13 2010-08-19 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit höhenverstellbarem Kühlgutträger
DE202009005177U1 (de) * 2009-08-25 2011-02-03 Paul Hettich Gmbh & Co. Kg Führungsschiene mit einer Schnellbefestigungsvorrichtung
DE202009013663U1 (de) * 2009-10-30 2011-03-17 Paul Hettich Gmbh & Co. Kg Auszugsführung und Haushaltsgerät
CN102667377B (zh) * 2009-12-30 2014-09-24 阿塞里克股份有限公司 冷却器件
US8616388B2 (en) 2011-06-07 2013-12-31 Advance Caster & Wheel Co., Inc. Adjustable shelving assembly
WO2013026789A1 (en) * 2011-08-22 2013-02-28 Arcelik Anonim Sirketi An oven comprising a movable support
KR20140108673A (ko) * 2011-12-09 2014-09-12 일렉트로룩스 홈 프로덕츠 인코퍼레이티드 선반 어셈블리
WO2014102296A2 (en) * 2012-12-27 2014-07-03 Arcelik Anonim Sirketi An oven
JP6498866B2 (ja) * 2013-03-12 2019-04-10 東芝ライフスタイル株式会社 冷蔵庫、カメラ装置
CN104596190A (zh) * 2013-10-31 2015-05-06 海尔集团公司 搁架及具有该搁架的冰箱
CN103948249B (zh) * 2014-05-12 2016-03-30 于法周 一种升降式储物篼
CN104739351A (zh) * 2015-04-02 2015-07-01 苏州市博群生物科技有限公司 一种自动洗碗机
EP3276264A1 (de) 2016-07-29 2018-01-31 Apparatebau Gronbach Srl Bewegungseinrichtung für ein küchengerät, sowie küchengerät mit einer solchen bewegungseinrichtung
CN108931092B (zh) * 2016-08-08 2021-11-12 新沂市大自然木业有限公司 一种橱柜
DE102016223183A1 (de) * 2016-11-23 2018-05-24 BSH Hausgeräte GmbH Haushaltsgerätevorrichtung
US9895046B1 (en) * 2016-12-27 2018-02-20 Midea Group Co., Ltd. Dishwasher rack lift system
US10159398B2 (en) 2016-12-27 2018-12-25 Midea Group Co., Ltd. Dishwasher rack system
CN106885412B (zh) * 2017-03-16 2019-11-05 青岛海尔股份有限公司 制冷间室及具有其的冰箱
CN108851634A (zh) * 2018-07-12 2018-11-23 滨州学院 一种心理沙盘用沙具陈列架
CN111174524B (zh) * 2020-01-20 2021-08-31 合肥华凌股份有限公司 搁架组件和储物柜
EP4146040A4 (de) * 2020-05-04 2024-05-29 William Didyk Dynamische arbeitsplatzvorrichtung, verfahren und systeme
CN114322399B (zh) * 2021-12-03 2022-12-06 澳柯玛股份有限公司 可自动调节高度的搁物架、冰箱及其自动调节高度的方法
CN114617514B (zh) * 2022-02-28 2024-02-27 宁波方太厨具有限公司 用于清洗机的碗篮组件及清洗机、清洗方法

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140227067A1 (en) * 2013-02-10 2014-08-14 Carl Stover Apparatus for storing, transporting and distributing kegs
US9546021B2 (en) * 2013-02-10 2017-01-17 Diverse Holdings, Llc Apparatus for storing, transporting and distributing kegs
US9266674B2 (en) * 2013-04-22 2016-02-23 Vidir Machine Inc Vertical storage system
US10161671B2 (en) * 2017-04-21 2018-12-25 Haier Us Appliance Solutions, Inc. Adjustable shelf for a refrigerator appliance
US11125491B2 (en) * 2019-09-23 2021-09-21 Haier Us Appliance Solutions, Inc. Adjustable shelf assembly for an appliance
US20230142165A1 (en) * 2020-03-18 2023-05-11 Hefei Midea Refrigerator Co., Ltd. Shelf device and storage cabinet
US20240035737A1 (en) * 2022-07-28 2024-02-01 Haier Us Appliance Solutions, Inc. Smart adjustable shelves for refrigerator appliances

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EP1957919B1 (de) 2010-12-29
CN101317065A (zh) 2008-12-03
US20090261704A1 (en) 2009-10-22
ATE493622T1 (de) 2011-01-15
DE102005057148A1 (de) 2007-06-06
RU2419048C2 (ru) 2011-05-20
ES2356775T3 (es) 2011-04-13
DE502006008629D1 (de) 2011-02-10
EP1957919A1 (de) 2008-08-20
WO2007062913A1 (de) 2007-06-07
CN101317065B (zh) 2015-11-25
RU2008122414A (ru) 2010-01-10

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